Method MakeCompleted

src/txrequest.cpp:465–486

Convert any announcement to a COMPLETED one. If there are no non-COMPLETED announcements left for this * txhash, they are deleted. If this was a REQUESTED announcement, and there are other CANDIDATEs left, the * best one is made CANDIDATE_BEST. Returns whether the announcement still exists. */

     *  txhash, they are deleted. If this was a REQUESTED announcement, and there are other CANDIDATEs left, the
     *  best one is made CANDIDATE_BEST. Returns whether the announcement still exists. */
    bool MakeCompleted(Iter<ByTxHash> it)
    {
        assert(it != m_index.get<ByTxHash>().end());

        // Nothing to be done if it's already COMPLETED.
        if (it->GetState() == State::COMPLETED) return true;

        if (IsOnlyNonCompleted(it)) {
            // This is the last non-COMPLETED announcement for this txhash. Delete all.
            uint256 txhash = it->m_txhash;
            do {
                it = Erase<ByTxHash>(it);
            } while (it != m_index.get<ByTxHash>().end() && it->m_txhash == txhash);
            return false;
        }

        // Mark the announcement COMPLETED, and select the next best announcement (the first CANDIDATE_READY) if
        // needed.
        ChangeAndReselect(it, State::COMPLETED);

        return true;
    }

    //! Make the data structure consistent with a given point in time:
    //! - REQUESTED announcements with expiry <= now are turned into COMPLETED.